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126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __MPEG_DEMUX_H__
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#define __MPEG_DEMUX_H__
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#include <config.h>
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#include <gst/gst.h>
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#include "gstmpegparse.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define GST_TYPE_MPEG_DEMUX \
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(mpeg_demux_get_type())
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#define GST_MPEG_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MPEG_DEMUX,GstMPEGDemux))
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#define GST_MPEG_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MPEG_DEMUX,GstMPEGDemux))
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#define GST_IS_MPEG_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MPEG_DEMUX))
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#define GST_IS_MPEG_DEMUX_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MPEG_DEMUX))
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typedef struct _GstMPEGDemux GstMPEGDemux;
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typedef struct _GstMPEGDemuxClass GstMPEGDemuxClass;
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typedef struct _MPEG1Stream MPEG1Stream;
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struct _MPEG1Stream {
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guchar stream_id;
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gint8 STD_buffer_bound_scale;
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gint16 STD_buffer_size_bound;
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};
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struct _GstMPEGDemux {
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GstMPEGParse parent;
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/* current parse state */
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guchar id;
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/* previous partial chunk and bytes remaining in it */
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gboolean in_flush;
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/* counters */
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gulong packs;
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/* pack header values */
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gboolean have_packhead;
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guint64 scr_base;
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guint16 scr_extension;
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guint32 bit_rate;
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/* program stream header values */
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gboolean have_syshead;
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guint16 header_length;
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guint32 rate_bound;
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guint8 audio_bound;
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gboolean fixed;
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gboolean constrained;
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gboolean audio_lock;
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gboolean video_lock;
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guint8 video_bound;
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gboolean packet_rate_restriction;
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struct _MPEG1Stream STD_buffer_info[48];
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#define NUM_PRIVATE_1_PADS 8
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#define NUM_SUBTITLE_PADS 16
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#define NUM_VIDEO_PADS 16
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#define NUM_AUDIO_PADS 32
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/* stream output pads */
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GstPad *private_1_pad[NUM_PRIVATE_1_PADS]; /* up to 8 ac3 audio tracks */
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gulong private_1_offset[NUM_PRIVATE_1_PADS];
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GstPad *subtitle_pad[NUM_SUBTITLE_PADS];
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gulong subtitle_offset[NUM_SUBTITLE_PADS];
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GstPad *private_2_pad;
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gulong private_2_offset;
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GstPad *video_pad[NUM_VIDEO_PADS];
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gulong video_offset[NUM_VIDEO_PADS];
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gint64 video_PTS[NUM_VIDEO_PADS];
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GstPad *audio_pad[NUM_AUDIO_PADS];
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gulong audio_offset[NUM_AUDIO_PADS];
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gint64 audio_PTS[NUM_AUDIO_PADS];
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};
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struct _GstMPEGDemuxClass {
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GstMPEGParseClass parent_class;
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};
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GType gst_mpeg_demux_get_type(void);
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gboolean gst_mpeg_demux_plugin_init (GModule *module, GstPlugin *plugin);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __MPEG_DEMUX_H__ */
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